Analysis of trace polycyclic aromatic hydrocarbons and organochlorine compounds in atmospheric residues by solid-phase disk extraction

被引：51

作者：

Carrera, G ^{[1
]}

Fernandez, P ^{[1
]}

Vilanova, R ^{[1
]}

Grimalt, JO ^{[1
]}

机构：

[1] CSIC, CID, Dept Environm Chem, ES-08034 Barcelona, Spain

来源：

JOURNAL OF CHROMATOGRAPHY A | 1998年 / 823卷 / 1-2期

关键词：

solid-phase extraction; organochlorine compounds; polynuclear aromatic hydrocarbons; polychlorinated biphenyls; hexachlorobenzene; DDE; hexachlorocyclohexanes; pesticides;

D O I：

10.1016/S0021-9673(98)00519-6

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

A method based on the use of solid-phase extraction disks for the analysis of polycyclic aromatic hydrocarbons and organochlorine compounds (pg l(-1)) in deposition samples collected in remote sites is described. Diverse aspects determining extraction efficiencies such as packing composition (C-8 and C-18), extraction number and elution solvents have been evaluated. The lowest relative standard deviations (3-20%) and best extraction efficiencies (80-100%) have been obtained using a solvent program of methanol, cyclohexane and dichloromethane (5 ml each) and octadecylsilane disks. Detection and quantitation limits were in the order of 0.14-3.5 pg l(-1). These Limits were achieved by gas chromatography coupled to mass spectrometry and detection in the selected ion monitoring mode. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：189 / 196

页数：8

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